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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Simplified Approach for Assessing Shear Resistance of Reinforced Concrete Beams under Impact Loads
Author(s): De-Bo Zhao, Wei-Jian Yi, and Sashi K. Kunnath
Publication: Structural Journal
Appears on pages(s): 747-756
Keywords: beam; impact behavior; impact loading; reinforced concrete; shear
Abstract:To assess the shear resistance of reinforced concrete (RC) beams under impact loads, a two-mass model is proposed to simulate the dynamic response of RC beams wherein the impact process is divided into two phases: local response phase, and overall response phase. Stress wave propagation effects are taken into account in the local response phase. Using a dynamic failure criterion based on the Modified Compression Field Theory (MCFT), the proposed model evaluates the dynamic moment and shear demand in an RC beam and is capable of assessing the likelihood of shear failure. A comparison between the numerical simulations and experimental results indicates that the proposed model can predict the occurrence of shear failure with reasonable accuracy.
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